How The 10 Worst Remote Key Repair Fails Of All Time Could Have Been Prevented
Car Remote Key Repair
Modern car remotes are useful and convenient, but can be frustrating when they stop functioning. There are a few quick fixes to get them working again.
First, you should replace the battery. The majority of fobs are powered by lithium coin cells. They are affordable and readily available.
Broken Electronics
The electronic circuit board inside the remote car key transmits and interprets signals to your vehicle. The key fob will cease to function if this board is damaged. Damage to the transmitter or receiver will require an auto-locksmith who is a professional or a car dealer.
Most remote key fobs are powered by a lithium-ion coin battery, which has an extended shelf life. However, they will not last for a long time. If you've used the batteries for a long time replacing them is likely to solve your issue. If you've been using your remote fob for a while you may be shocked to find that the buttons aren't responding in any way, even if the batteries are fresh. The buttons on your keyfob are subjected to a lot of bouncing and may break or become inactive with time. If this is the case removal of the buttons, cleaning them, and placing them back in place will usually resolve your problem.
If the buttons on your remote aren't working, you might need to reprogramme it to work with the car's system. This is usually done by turning the ignition key several times while the doors are closed. The method will vary based on the make and model, but you will be able to locate instructions online or consult a professional for help.

If the key fob has a plastic exterior, it's possible to remove the cover and pry it apart. But be careful not to damage the buttons or other internal components. This is best done with needle-nosed pliers which have longer tips. They are able to grasp small parts. Lubricating pliers with putty, melted tallow or super glue will help them grasp delicate parts. It's also a good idea to hire an auto locksmith perform this, as improper techniques could cause damage to the electronic components inside. Trying to forcefully pry the fob apart could damage the plastic, and it's also possible to accidentally break the buttons that are attached to it.
Faulty Transponder Chip
Transponder chips could malfunction if you have previously successfully started the car using the remote key but cannot do it again. This is because your key relies on this small electronic component to communicate with the immobilizer system. It sends a signal to the system that your key is valid and you are able to start the engine. If the chip is unable to properly transmit this message, the immobilizer will disable your vehicle.
This issue is most common in older vehicles, but can also happen in newer ones too. The transponder chip wears down over time. remote key repairs can be repaired by a car locksmith however, it can be costly.
In some instances your chip could be dead. In this instance the dealer will need to replace it. This is the most costly but necessary way to get your vehicle back on the road.
Another possibility is that the key's chip is damaged. This means that it can not communicate with the immobilizer. This can happen if the battery is replaced or if the key is physically damaged. A Mesa auto locksmith can solve this problem, but you may have to visit the dealership to have your key programmed.
If you're experiencing issues with your remote key the first thing you should do is to create an alternative. If this doesn't fix the problem, you should disassemble your key fob and perform a visual inspection. Check that none of the button appears to be loose or broken. These components are frequently used and can become loose over time. If they are loose, it's recommended to have them reattached by an experienced professional. In most instances, this will restore your key fob to full functionality. This is particularly true for keys that were accidentally inserted into the wrong ignition lock cylinder.
Damaged Battery
If the key fob is still not working even after you've tried a new one it could be due to other issues. Fobs can be damaged by water or dropped or stepped on. Internal connections, such as those that connect to battery terminals of the remote, could also be damaged or disconnected. It is possible to reprogramme your key fob in case you don't have a spare of the same model and type.
Modern key fobs must be programmed to work with the vehicle to ensure that only you are able to unlock the doors of your car. It's a crucial step to safeguard your car and prevent others from using your key fob to gain access your vehicle or cause issues with its electrical system. Certain engine error codes, or wear and tear from normal wear and tear could corrupt the programming and stop your key fob from functioning. Professionals with the right equipment can reprogram your key fob properly.
It's possible that the issue is in the buttons that are a much simpler solution than replacing the entire key fob. Key fobs typically feature rubberized buttons that can be damaged or loosen up over time. If you see that the buttons don't appear to be damaged, you may need to adjust them manually.
It is recommended to open the key fob and take a look at it, but be cautious. Some fobs aren't equipped with an easy release mechanism, which means you might need a small screwdriver or other device to open them. Some fobs are sealed and are not openable without special tools. You'll need to go to a dealer to have them professionally opened. You can utilize a spare keyfob of the same make and model to access the programming mode of your vehicle. Based on the model of your car, this may involve closing and locking the doors, turning lights and other electronics off and on and pressing a certain set of buttons in a specific order.
Failing Buttons
Mechanical damage could be to blame if the buttons on your key fob don't function or require pressing them extremely in a very forceful manner. Dropping the key fob onto concrete or accidentally hitting a button with a sharp object can impact the way it functions. You'll need take apart the key fob and examine it to see if there are any buttons that appear to be broken. If this is the case, a locksmith can fix it.
The failure of buttons can also be the result of dirt or crud that is trapped between the buttons. It is important to clean your key fob regularly using the help of a cotton swab that has been soaked in alcohol. You may need to clean the surface on the keys. You should also try to determine if the issue is with your car's locks or the key fob itself. If you don't own a spare key, try the keys in another vehicle to see if the problem is solved.
The condition of the battery will also determine whether or not you should change the programming of the key fob. If the key fob you have is not able to work after replacing the batteries the terminal contacts of the battery are likely damaged. You can also deprogram your electric key fob by pressing the buttons too often when you are out of range, or by disconnecting the battery in your car.
If your key fob isn't working after replacing the battery you should have it reprogrammed to your vehicle. This will depend on the specific model of vehicle however, generally, you'll have to manually lock and unlock the doors of your car and then insert the key fob into the ignition, turn it to the accessory position, and then press the button on the remote. If this is working the exterior and/or interior lights should flash. It is possible to test the key fob in order to confirm that it was successfully programmed. In less rare cases, a key fob can be inoperable if there's an issue with the door lock itself.